Surface cleaning system



FIG. 1 is a top-right perspective view of an embodiment of a surface cleaning system incorporating the design;

FIG. 2 is a front view of the surface cleaning system of FIG. 1;

FIG. 3 is a rear view of the surface cleaning system of FIG. 1;

FIG. 4 is a left side view of the surface cleaning system of FIG. 1;

FIG. 5 is a right side view of the surface cleaning system of FIG. 1;

FIG. 6 is a top view of the surface cleaning system of FIG. 1; and,

FIG. 7 is a bottom view of the surface cleaning system of FIG. 1.

The broken lines in the drawings show environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a surface cleaning system, as shown and described. 